:root{color-scheme:dark;--ink:#131512;--panel:#1b1e19;--paper:#ece7d9;--muted:#acae9e;--orange:#edaa69;--line:#363a30;--serif:Georgia,'Times New Roman',serif;--sans:Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,summary{cursor:pointer}button{color:inherit}button:disabled{cursor:default;opacity:.3}a,button,summary,input{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:5px}h1,h2,h3,p{margin:0}::selection{background:var(--orange);color:var(--ink)}.skip-link{position:fixed;left:16px;top:-80px;z-index:20;background:var(--paper);color:var(--ink);padding:15px}.skip-link:focus{top:16px}
.site-header{max-width:1440px;margin:auto;height:94px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:25px;letter-spacing:.04em}.brand-icon{font-size:40px;color:var(--orange);line-height:1}.brand small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.34em;margin-top:5px}.header-note{font-size:9px;letter-spacing:.14em;color:var(--muted)}.header-note span{padding:0 12px;color:#696d5f}.header-link{font-size:12px;border-bottom:1px solid #6b705e;padding-bottom:8px}.header-link span{color:var(--orange);margin-left:22px}
.hero{max-width:1440px;position:relative;min-height:560px;margin:auto;overflow:hidden;isolation:isolate;background:#111411}.hero-art{position:absolute;inset:0;z-index:-2;background:url('./assets/haunted-town.webp') right 58%/cover no-repeat}.hero:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#131512 0%,#131512f0 20%,#131512a6 39%,#13151215 72%),linear-gradient(0deg,#131512 0%,transparent 28%)}.hero-content{padding:65px 5% 87px}.eyebrow{font-size:9px;letter-spacing:.22em;line-height:1.7;color:var(--orange);font-weight:600}.spark{font-size:15px;margin-right:9px}h1{font-family:var(--serif);font-size:clamp(64px,7.6vw,108px);line-height:.98;letter-spacing:-.065em;font-weight:400;margin:25px 0 26px}h1 em{font-weight:400;color:var(--orange)}.hero-japanese{font-size:20px;letter-spacing:.09em;margin-bottom:15px}.hero-description{font-size:12px;line-height:2.1;color:#c3c5b7}.hero-button{display:inline-flex;align-items:center;gap:54px;border:1px solid #6b715a;background:#1b211aaa;padding:16px 21px;font-size:12px;margin-top:26px;transition:background .2s,border-color .2s}.hero-button:hover{background:#303629;border-color:var(--orange)}.hero-button span{color:var(--orange);font-size:16px}.hero-caption{position:absolute;bottom:24px;left:5%;right:5%;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.2em;color:#aeb19f}.hero-caption span:first-child{color:var(--orange)}
.library{max-width:1250px;margin:auto;padding:58px 35px 70px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section-heading h2{font-size:23px;font-weight:400;letter-spacing:.07em;margin-top:12px}.section-count{display:flex;align-items:center;gap:13px}.section-count strong{font:italic 43px var(--serif);color:var(--orange)}.section-count span{font-size:8px;letter-spacing:.16em;max-width:68px;line-height:1.8}.library-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}.catalog{border:1px solid var(--line);background:#191c17}.catalog-heading{padding:20px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:5px}.catalog-heading h3{font-size:11px;font-weight:400}.catalog-heading>span{font-size:9px;color:var(--muted)}#lesson-nav{padding:8px}.sound-button{width:100%;display:flex;align-items:center;gap:17px;padding:12px 12px;border:1px solid transparent;background:transparent;text-align:left;min-height:58px;transition:background .2s}.sound-button:hover{background:#24291e}.sound-number{font-size:10px;color:#989d8a;width:17px}.sound-symbol{font:25px var(--serif);color:var(--paper)}.sound-indicator{margin-left:auto;font-size:15px;color:var(--orange)}.sound-button.active{background:#2c3224;border-color:#65704d}.sound-button.active .sound-symbol,.sound-button.active .sound-number{color:var(--orange)}.sound-button.practiced:not(.active) .sound-indicator{color:#a9ba8c}
.lesson{min-width:0;border:1px solid #d7d0bc;background:var(--paper);color:#272d23;padding:28px}.lesson-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.lesson-top .eyebrow{color:#776144}.lesson-title-row{display:flex;align-items:center;justify-content:space-between;margin:8px 0 22px}.lesson-title-row h3{font:66px var(--serif);letter-spacing:-.03em}.lesson-title-row p{font-size:10px;line-height:1.9;color:#686c5e}.video-slot{background:#090b09;aspect-ratio:16/9;position:relative;border:1px solid #b9bba9}.video-slot iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-under{display:flex;justify-content:space-between;gap:10px;padding:13px 0 21px;font-size:9px;color:#6c705f}.video-under a{border-bottom:1px solid #a8ac99;padding-bottom:3px}.video-under a span{margin-left:10px}.word-details{border-top:1px solid #c9cbbc}.word-details summary{padding:20px 0;display:flex;align-items:center;justify-content:space-between;font-size:12px;list-style:none}.word-details summary::-webkit-details-marker{display:none}.details-icon{font-size:19px;font-weight:400}.word-details[open] .details-icon{font-size:0}.word-details[open] .details-icon:after{content:'−';font-size:19px}.word-list{margin:0 0 22px;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.word-list li{font-size:14px;line-height:1.8;border-top:1px solid #d5d6c9;padding:10px 0;overflow-wrap:anywhere}.word-list li.wide-word{grid-column:1/-1;font-size:13px}.lesson-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid #c9cbbc;padding-top:21px}.completion{display:flex;position:relative;gap:9px;align-items:center;cursor:pointer;font-size:11px}.completion input{position:absolute;width:19px;height:19px;opacity:0;left:0;margin:0}.check-mark{width:19px;height:19px;border:1px solid #848c73;display:flex;align-items:center;justify-content:center;flex-shrink:0}.completion input:checked+.check-mark{background:#363e2c;color:#eeeadd;border-color:#363e2c}.completion input:checked+.check-mark:after{content:'✓';font-size:13px}.completion input:focus-visible+.check-mark{outline:2px solid #966536;outline-offset:3px}.lesson-pagination{display:flex;gap:15px}.lesson-pagination button{background:none;border:0;padding:5px;font-size:17px;color:#393f31}.lesson-pagination button span{font-size:10px}
.closing{border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;text-align:center;padding:42px 60px}.closing>span:first-child{font-size:23px;color:var(--orange)}.closing p{font:italic clamp(22px,3vw,34px) var(--serif);color:#d5d4c5;margin:15px 0 10px}.closing-japanese{font-size:10px;color:var(--muted);letter-spacing:.09em}.closing>a{position:absolute;right:5%;top:50%;border:1px solid #5d644d;border-radius:50%;width:37px;height:37px;display:grid;place-items:center;color:var(--orange)}footer{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 5%}.footer-brand{font:19px var(--serif);letter-spacing:.05em}.footer-brand span{font:8px var(--sans);letter-spacing:.17em;margin-left:12px}footer p{font-size:8px;letter-spacing:.14em;color:var(--muted)}footer p span{padding:0 10px}.noscript{padding:30px;text-align:center;color:var(--orange)}
.availability-note{margin:-12px 0 26px;color:var(--orange);font-size:11px;line-height:1.9}
.video-slot{aspect-ratio:auto;height:clamp(430px,47vw,570px);display:grid;place-items:center}.video-slot iframe{position:static;width:100%;max-width:320px;height:100%}
@media(min-width:1450px){.hero{min-height:620px}.hero-content{padding-top:84px}.hero-art{background-position:right 60%}}
@media(max-width:960px){.header-note{display:none}.hero{min-height:535px}.hero-content{padding-top:58px}.hero:before{background:linear-gradient(90deg,#131512f7 0%,#131512b5 45%,#13151225 100%),linear-gradient(0deg,#131512 0%,transparent 40%)}.library{padding:40px 24px 50px}.library-layout{grid-template-columns:205px minmax(0,1fr);gap:20px}.lesson{padding:22px}.catalog-heading{padding:18px 12px}.catalog-heading h3{font-size:10px}.sound-button{gap:12px;padding:10px 8px}.lesson-title-row h3{font-size:56px}.section-heading h2{font-size:20px}.lesson-title-row p{font-size:9px}}
@media(max-width:680px){html{scroll-padding-top:16px}.site-header{height:78px;padding:0 22px}.brand{font-size:20px;gap:8px}.brand-icon{font-size:34px}.brand small{font-size:7px}.header-link{font-size:10px}.header-link span{margin-left:12px}.hero{min-height:515px}.hero-art{background-position:62% center}.hero:before{background:linear-gradient(90deg,#131512ed 0%,#131512aa 55%,#13151247 100%),linear-gradient(0deg,#131512 0%,transparent 48%)}.hero-content{padding:45px 24px 65px}h1{font-size:74px;margin:26px 0}.eyebrow{font-size:8px}.hero-japanese{font-size:16px}.hero-description{font-size:11px}.hero-button{margin-top:22px;padding:14px 18px}.hero-caption{left:24px;right:24px;bottom:20px;font-size:7px}.hero-caption span:last-child{display:none}.library{padding:35px 18px 40px}.section-heading{margin-bottom:22px;gap:14px;align-items:center}.section-heading h2{font-size:17px;letter-spacing:0;margin-top:9px}.section-count{gap:6px}.section-count strong{font-size:31px}.section-count span{font-size:6px;max-width:45px}.library-layout{display:flex;flex-direction:column;gap:18px}.catalog{width:100%}.catalog-heading{padding:15px}.catalog-heading h3{font-size:11px}#lesson-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:8px}.sound-button{flex-direction:column;justify-content:center;position:relative;gap:3px;min-height:67px;padding:7px 0}.sound-number{width:auto;font-size:8px}.sound-symbol{font-size:20px}.sound-indicator{position:absolute;right:4px;top:4px;font-size:9px}.lesson{width:100%;padding:20px 16px}.lesson-title-row{margin-bottom:18px}.lesson-title-row h3{font-size:57px}.lesson-title-row p{font-size:9px}.word-list{gap:0 12px}.word-list li{font-size:12px}.word-list li.wide-word{font-size:12px}.word-details summary{font-size:11px}.lesson-bottom{gap:10px}.completion{font-size:10px;gap:7px}.lesson-pagination{gap:6px}.lesson-pagination button{font-size:16px}.lesson-pagination button span{font-size:9px}.closing{padding:33px 45px}.closing p{font-size:24px}.closing-japanese{font-size:9px}.closing>a{right:16px;width:28px;height:28px}.closing>span:first-child{font-size:18px}footer{padding:23px 22px;flex-direction:column;gap:12px}footer p{font-size:7px}}
@media(max-width:680px){.video-slot{height:auto;aspect-ratio:9/16}.video-slot iframe{position:absolute;max-width:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.preparation-note{border-top:1px solid var(--line);padding:24px 20px}.preparation-note h3{font-size:13px;font-weight:400;line-height:1.9;color:var(--orange)}.preparation-note p{font-size:12px;line-height:1.9;margin-top:13px}.preparation-note .preparation-detail{font-size:11px;line-height:2;color:var(--muted)}
@media(max-width:680px){.preparation-note{padding:22px 18px}.preparation-note h3{font-size:14px}.preparation-note p{font-size:12px}.preparation-note .preparation-detail{font-size:11px}}