:root{--blue:#1462ff;--text:#101522;--muted:#677080;--line:#e5e8ee;--white:#fff;font-family:"BIZ UDPGothic","Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--text);background:var(--white);color-scheme:light}
*{box-sizing:border-box}body{margin:0;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.shell{width:calc(100% - 96px);max-width:1080px;margin-inline:auto}.skip{position:absolute;top:-60px;left:16px;padding:12px;background:var(--blue);color:white;z-index:10}.skip:focus{top:12px}.topline{height:57px;display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line)}.author{font-size:13px;font-weight:700;letter-spacing:.05em}.site-label{font-family:Arial,sans-serif;font-size:11px;color:var(--muted)}.preview-label{margin-left:auto;font-size:10px;color:#777e8a}.masthead{padding:15px 0 31px;text-align:center}.masthead h1{margin:0}.masthead img{display:block;width:min(100%,900px);height:auto;margin:auto}.masthead p{font-size:13px;line-height:2;color:#626b79;margin:-8px 0 0;letter-spacing:.01em}.mobile-break{display:none}.nav{border-bottom:1px solid var(--line)}.nav-inner{display:flex;gap:43px;min-height:63px}.nav a{display:flex;align-items:center;justify-content:center;padding:0 5px;min-height:63px;border-bottom:3px solid transparent;margin-bottom:-1px;font-size:14px;font-weight:700}.nav a:hover{color:var(--blue)}.nav a[aria-current=page]{color:var(--blue);border-color:var(--blue)}main{padding-top:37px;padding-bottom:35px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:22px;border-bottom:1px solid var(--line)}.section-heading h2{margin:0;font-size:25px;letter-spacing:-.025em}.section-heading>span{font-size:10px;color:var(--muted)}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 247px;gap:54px}.feed{min-width:0}.post{padding:26px 0 27px;border-bottom:1px solid var(--line)}.post:first-child{padding-top:29px}.post-meta{display:flex;gap:13px;align-items:center;color:var(--muted);font-size:10px}.category{color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.02em}.post h3{font-size:23px;line-height:1.7;letter-spacing:-.025em;margin:10px 0 10px;font-weight:800}.post h3 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.post p{font-size:13px;line-height:2;color:#656d7b;margin:0}.post-footer{margin-top:17px;font-size:10px;color:#737c88;display:flex;align-items:center;justify-content:space-between}.post-footer a{font-size:11px;color:var(--text)}.post-footer a span{font-size:15px;color:var(--blue);margin-left:9px}aside{padding-top:30px}.aside-kicker{margin:0 0 15px!important;font-size:10px!important;color:var(--muted)}.about h2{font-size:23px;line-height:1.7;letter-spacing:-.035em;margin:0 0 16px}.about p{font-size:12px;line-height:2.1;color:var(--muted);margin:15px 0}.about-byline{font-size:13px;font-weight:700;display:block;padding-top:9px}.topics{margin-top:30px;border-top:1px solid var(--line);padding-top:22px}.topics h2{font-size:12px;margin:0 0 4px}.topics a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}.topics strong{font-size:12px;display:block}.topics small{font-size:10px;line-height:1.7;display:block;color:var(--muted);margin-top:5px}.topics a>span:last-child{color:var(--blue);font-size:18px}.topics a:hover strong{color:var(--blue)}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:24px 0 30px;font-size:10px;color:#7b8390}.empty{padding:35px 0;font-size:13px;color:var(--muted)}dialog{padding:0;background:white;color:var(--text);border:1px solid var(--line);width:min(650px,calc(100% - 32px));max-height:85vh;box-shadow:0 20px 80px #10152220}dialog::backdrop{background:#10152277}.dialog-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 17px;border-bottom:1px solid var(--line)}.dialog-bar>span{font-size:11px;color:var(--muted)}.dialog-bar button{font-size:28px;border:0;background:transparent;color:var(--text);width:40px;height:40px}.dialog-content{padding:29px 34px 34px}.dialog-content h2{font-size:26px;line-height:1.7;margin:16px 0 20px}.dialog-content>p{font-size:14px;line-height:2;color:#656d7b}.dialog-content hr{border:0;border-top:1px solid var(--line);margin:25px 0}.dialog-content .sample-note{font-size:11px}.dialog-content a{font-size:12px;text-decoration:underline;text-underline-offset:4px}.back-button{padding:12px 18px;border:1px solid var(--blue);color:var(--blue);background:white;font-size:12px;margin-top:20px}.back-button:hover{background:#f3f7ff}
@media(max-width:900px){.shell{width:calc(100% - 56px)}.masthead{padding-bottom:26px}.masthead img{max-width:780px}.masthead p{margin:0;font-size:12px}.content-layout{grid-template-columns:minmax(0,1fr) 210px;gap:35px}.post h3{font-size:21px}.about h2{font-size:20px}}
@media(max-width:650px){.shell{width:calc(100% - 36px)}.topline{height:45px}.author{font-size:11px}.site-label,.preview-label{font-size:9px}.masthead{padding:22px 0 24px}.masthead img{width:100%;transform:scale(1.06);transform-origin:center}.masthead p{font-size:11px;line-height:1.9;margin-top:12px}.mobile-break{display:block}.nav-inner{min-height:57px;justify-content:space-between;gap:15px}.nav a{min-height:57px;font-size:12px;padding:0 10px}main{padding-top:27px}.section-heading{padding-bottom:18px;align-items:end;gap:10px}.section-heading h2{font-size:23px}.section-heading>span{font-size:9px;max-width:100px;text-align:right;line-height:1.7}.content-layout{display:block}.post{padding:23px 0 24px}.post:first-child{padding-top:23px}.post-meta{font-size:10px}.category{font-size:10px}.post h3{font-size:20px;line-height:1.75;margin:11px 0}.post p{font-size:13px;line-height:2}.post-footer{margin-top:15px;font-size:10px}.post-footer a{font-size:10px}aside{padding-top:27px;margin-top:28px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:26px}.about h2{font-size:19px}.about p{font-size:11px}.topics{padding-top:0;margin-top:1px;border-top:0}.topics strong{font-size:12px}.topics small{font-size:10px}.topics a{min-height:85px}.topics h2{font-size:11px}.aside-kicker{font-size:9px!important}footer{font-size:9px;line-height:1.8;padding:21px 0 25px}.dialog-content{padding:24px 22px}.dialog-content h2{font-size:21px}}
@media(max-width:360px){.topline{gap:11px}.masthead img{transform:none}.nav-inner{gap:6px}.nav a{padding-inline:8px}.post h3{font-size:19px}.section-heading h2{font-size:22px}aside{grid-template-columns:1fr}.topics a{min-height:74px}footer{flex-direction:column;gap:5px}}
.editorial-intro{max-width:1000px;margin:13px auto 2px;text-align:left;border-top:3px solid var(--text)}
.feature-spread{display:grid;grid-template-columns:1fr 1fr;padding:30px 0 32px;border-bottom:1px solid #bfc5d0}
.feature-story{min-width:0;padding:0 34px 0 0}.feature-story+ .feature-story{border-left:1px solid #d4d9e1;padding:0 0 0 40px}
.feature-topline{display:flex;align-items:center;gap:16px;min-height:31px}.feature-number{font-family:Arial,sans-serif;font-size:13px;color:var(--blue);letter-spacing:.04em;font-weight:700}
.masthead .feature-question{margin:0;font-size:19px;line-height:1.6;letter-spacing:-.015em;color:#4d586b;font-weight:700}.feature-arrow{margin-left:auto;font-family:Arial,sans-serif;font-size:33px;line-height:1;font-weight:400;color:var(--blue);transform:rotate(-35deg)}
.masthead .feature-answer{margin:20px 0 0;font-size:25px;line-height:1.35;letter-spacing:-.035em;color:var(--text);font-weight:700}.answer-prefix,.answer-suffix,.answer-core{display:block}.answer-core{font-size:51px;line-height:1.4;letter-spacing:-.065em;font-weight:900;color:var(--text);margin:3px 0 4px}.answer-suffix{font-size:25px;color:#4d586b}.answer-prefix{font-size:24px}
.core-part{white-space:nowrap}.feature-story:first-child .answer-core{color:var(--blue)}.feature-story:nth-child(2) .answer-core{text-decoration:underline;text-decoration-color:var(--blue);text-decoration-thickness:5px;text-underline-offset:10px}
.feature-time{display:grid;grid-template-columns:.96fr 1.04fr;align-items:center;column-gap:28px;padding:29px 0 27px;border-bottom:2px solid var(--text)}
.masthead .time-lead{margin:0 0 8px;font-size:16px;line-height:1.5;color:var(--text);letter-spacing:.01em;font-weight:700}
.masthead .time-lockup{display:flex;align-items:flex-end;gap:8px;margin:0;font-size:inherit;line-height:1;color:var(--text);letter-spacing:0}.time-digits{display:inline-flex;font-family:Arial,"Yu Gothic",sans-serif;color:var(--blue);font-size:155px;font-weight:900;letter-spacing:0;line-height:.95;margin-left:-11px}.time-digits>span{display:block;flex:0 0 .58em;width:.58em;text-align:center}.time-unit-group{display:flex;flex-direction:column;gap:10px;margin:0 0 6px 8px}.time-unit{font-size:48px;line-height:1;font-weight:800}.time-minimum{font-size:13px;font-weight:700;color:#4d586b;line-height:1.4;white-space:nowrap}
.masthead .time-conclusion{margin:0;padding-left:9px;font-size:34px;line-height:1.65;letter-spacing:-.04em;color:var(--text)}.time-if{display:block;font-size:20px;line-height:1.7;font-weight:500;margin-bottom:7px}.time-conclusion>strong{display:block;font-weight:800}.time-conclusion>strong>span{color:var(--blue)}
.masthead .feature-reassurance{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;margin:0;padding:23px 0 11px;font-size:19px;line-height:1.8;letter-spacing:-.025em;color:var(--text)}.feature-reassurance strong{font-size:27px;letter-spacing:-.04em;font-weight:800}
@media(max-width:1000px){.feature-story{padding-right:27px}.feature-story+.feature-story{padding-left:30px}.answer-core{font-size:43px}.masthead .feature-question{font-size:17px}.answer-prefix,.answer-suffix{font-size:22px}.time-digits{font-size:133px}.time-unit{font-size:42px}.masthead .time-conclusion{font-size:29px}.feature-time{column-gap:20px}.feature-reassurance strong{font-size:25px}}
@media(max-width:700px){.editorial-intro{margin-top:19px;border-top-width:2px}.feature-spread{padding:24px 0 25px}.feature-story{padding:0 15px 0 0}.feature-story+.feature-story{padding:0 0 0 19px}.feature-topline{display:grid;grid-template-columns:1fr auto;gap:5px 7px;align-items:start}.feature-number{font-size:11px;grid-column:1}.feature-arrow{grid-column:2;grid-row:1;font-size:24px;margin-top:-5px}.masthead .feature-question{grid-column:1/-1;font-size:14px;line-height:1.7;min-height:48px;padding-top:4px;font-weight:700}.masthead .feature-answer{margin-top:14px;letter-spacing:-.02em}.answer-prefix,.answer-suffix{font-size:17px;line-height:1.6}.answer-core{font-size:33px;line-height:1.36;letter-spacing:-.06em;margin:5px 0 7px;max-width:145px;min-height:90px}.feature-story:nth-child(2) .answer-core{text-decoration-thickness:3px;text-underline-offset:6px}.feature-time{grid-template-columns:1fr;gap:24px;padding:23px 0 25px}.masthead .time-lead{font-size:14px;margin-bottom:12px}.time-digits{font-size:143px;margin-left:-10px}.time-unit-group{margin-left:6px;margin-bottom:7px;gap:10px}.time-unit{font-size:42px}.time-minimum{font-size:13px}.masthead .time-conclusion{padding:0;font-size:26px;line-height:1.7}.time-if{font-size:16px;display:inline;margin-right:9px}.time-conclusion>strong{display:inline}.time-conclusion>strong>br{display:none}.time-conclusion>strong>span{white-space:nowrap}.masthead .feature-reassurance{display:block;padding:21px 0 7px;font-size:15px;line-height:1.9;letter-spacing:-.02em}.feature-reassurance strong{display:block;font-size:27px;line-height:1.6;margin-top:2px}}
@media(max-width:360px){.feature-story{padding-right:12px}.feature-story+.feature-story{padding-left:14px}.masthead .feature-question{font-size:12px}.answer-core{font-size:29px;min-height:79px;max-width:120px}.answer-prefix,.answer-suffix{font-size:16px}.time-digits{font-size:124px}.time-unit{font-size:36px}.time-minimum{font-size:12px}.time-unit-group{margin-left:3px}.masthead .time-conclusion{font-size:23px}.masthead .feature-reassurance{font-size:14px}.feature-reassurance strong{font-size:25px}}
@media(max-width:700px){.core-part{display:block}}
.time-unit-group{margin-left:38px}
@media(max-width:700px){.time-unit-group{margin-left:32px}}
@media(max-width:360px){.time-unit-group{margin-left:29px}}

/* Article thumbnails and the first-step guide. */
.start-feature{max-width:1000px;margin:0 auto 38px;padding:28px 32px 32px;border:1px solid #dae7d0;border-top:4px solid #6bb32e;border-radius:4px;background:#f5f9f0;color:#193720;font-family:"Noto Sans JP",Meiryo,sans-serif}
.start-heading{display:flex;align-items:center;gap:16px;margin-bottom:23px}
.start-eyebrow{flex:none;padding:6px 12px;background:#193720;color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em}
.start-heading p{margin:0;font-size:29px;font-weight:900;letter-spacing:-.035em;line-height:1.5}
.start-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:32px}
.start-image{display:block;overflow:hidden;border:1px solid #e0ead7;border-radius:6px;background:#fff;transition:box-shadow .18s ease}
.start-image img{display:block;width:100%;height:auto}
.start-image:hover{box-shadow:0 8px 24px #19372012}
.start-copy{min-width:0}
.start-promise{margin:0 0 16px;font-size:15px;font-weight:600;line-height:1.9;letter-spacing:-.02em}
.start-promise strong{font-size:20px;font-weight:900;text-decoration:underline;text-decoration-color:#abd879;text-decoration-thickness:5px;text-underline-offset:3px;text-decoration-skip-ink:none}
.start-copy h2{margin:0;font-size:27px;line-height:1.65;font-weight:900;letter-spacing:-.04em}
.start-copy h2 a:hover{text-decoration:underline;text-decoration-color:#6bb32e;text-underline-offset:5px}
.start-note{margin:17px 0 13px;font-size:13px;line-height:1.95;color:#4c6244}
.start-time{display:flex;align-items:center;flex-wrap:wrap;gap:7px 10px;margin:0 0 18px;font-size:11px;line-height:1.8;color:#52664a}
.start-time>span{padding:2px 7px;border:1px solid #b8cda5;border-radius:3px;color:#193720;font-weight:700}
.start-button{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:55px;padding:14px 18px;background:#193720;color:#fff;font-size:14px;font-weight:800;line-height:1.7;border-radius:4px;transition:background .18s ease}
.start-button span{color:#a2d96e;font-size:24px;line-height:1}
.start-button:hover{background:#2a522e}
.start-feature a:focus-visible{outline-color:#558e26}
.post-with-thumbnail{display:grid;grid-template-columns:224px minmax(0,1fr);gap:24px;align-items:start}
.post-thumbnail{display:block;aspect-ratio:2/1;overflow:hidden;background:#fff;border:1px solid #e5eadf;border-radius:5px;margin-top:3px}
.post-thumbnail img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .18s ease}
.post-thumbnail:hover img{transform:scale(1.025)}
.post-content{min-width:0}
.post-with-thumbnail .post-meta{flex-wrap:wrap;gap:5px 12px;line-height:1.8}
.post-with-thumbnail h3{font-size:21px;line-height:1.65;margin:9px 0}
.post-with-thumbnail .post-footer{margin-top:14px}
@media(max-width:1050px){.post-with-thumbnail{grid-template-columns:180px minmax(0,1fr);gap:20px}.start-grid{gap:25px}.start-copy h2{font-size:25px}}
@media(min-width:651px) and (max-width:850px){.post-with-thumbnail{grid-template-columns:140px minmax(0,1fr);gap:16px}.post-with-thumbnail h3{font-size:18px}.start-feature{padding:25px}.start-copy h2{font-size:22px}.start-promise strong{font-size:18px}.start-button{font-size:12px;padding-inline:14px}}
@media(max-width:650px){.start-feature{margin-bottom:25px;padding:21px 20px 23px}.start-heading{gap:11px;margin-bottom:17px}.start-heading p{font-size:24px}.start-eyebrow{padding:5px 9px;font-size:10px}.start-grid{display:block}.start-image{margin-bottom:22px}.start-copy h2{font-size:26px;line-height:1.65}.start-promise{font-size:14px;margin-bottom:15px}.start-promise strong{font-size:20px}.start-note{font-size:13px;margin-top:15px}.start-time{font-size:11px}.start-button{font-size:13px;min-height:53px;padding:13px 15px}.post-with-thumbnail{grid-template-columns:112px minmax(0,1fr);gap:14px}.post-with-thumbnail h3{font-size:17px;line-height:1.7;margin-top:7px}.post-with-thumbnail .post-meta{font-size:9px;gap:3px 8px}.post-with-thumbnail p{font-size:12px;line-height:1.9}.post-with-thumbnail .post-footer{margin-top:12px;gap:8px}}
@media(max-width:360px){.start-feature{padding-inline:16px}.start-heading p{font-size:21px}.start-copy h2{font-size:23px}.start-promise strong{font-size:18px}.start-button{font-size:12px;padding-inline:12px}.post-with-thumbnail{grid-template-columns:94px minmax(0,1fr);gap:12px}.post-with-thumbnail h3{font-size:16px}.post-with-thumbnail .post-footer a{font-size:9px}}