.main_img{width:100vw;height:calc(100vh * 0.75)}@media (max-width: 670px){.main_img{height:calc(100vh * 0.7)}}.main_img_concept{background:#faf8f5;color:#120f0e}.main_img_text{top:43%;left:60%;width:25%}@media (max-width: 670px){.main_img_text{top:33%;left:35%;width:60%}}#mainText{display:none}.concept-section{position:relative;background:#faf8f5;overflow:hidden;padding-bottom:80px;padding-top:10%}.concept-photos{display:flex;gap:4px;width:100%}.concept-photos__item{flex:1;height:48vh;overflow:hidden}.concept-photos__img{width:100%;height:100%;object-fit:cover;display:block}.concept-card{position:relative;z-index:2;background:rgba(250,248,245,0.93);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);max-width:520px;margin:-70px auto 0;padding:48px 50px;text-align:center;border-radius:4px;box-shadow:0 8px 40px rgba(61,50,41,0.12)}.concept-card__deco{width:40px;height:2px;background:linear-gradient(90deg, #8b9e6b, #c4a96a);margin:0 auto 24px}.concept-card__deco--bottom{margin:24px auto 0}.concept-card__title{font-family:'Noto Serif JP', serif;font-size:2.0rem;font-weight:400;letter-spacing:0.18em;color:#120f0e;margin:0 0 20px}.concept-card__text{font-size:1.2rem;line-height:2.3;color:#120f0e;letter-spacing:0.08em;margin:0}@media (max-width: 670px){.concept-photos{position:relative;height:38vh;gap:0}.concept-photos__item{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1s ease}.concept-photos__item--active{opacity:1}.concept-card{max-width:calc(100% - 32px);margin:-40px auto 0;padding:32px 24px}.concept-card__title{font-size:1.5rem}.concept-card__text{font-size:1.05rem;line-height:2}}.article_img{height:calc(100vh * 0.35);width:calc(100vh * 0.35)}.article_img:hover{height:calc(100vh * 0.37);width:calc(100vh * 0.37);opacity:0.7;transition:1s}@media (max-width: 670px){.article_img{height:calc(100vw * 0.25);width:calc(100vw * 0.25)}.article_img:hover{height:calc(100vw * 0.28);width:calc(100vw * 0.28)}}.article_bg{height:100%;width:100%;object-fit:cover;filter:grayscale(100%);opacity:0.4;z-index:-10}.diary-section{position:relative;padding:80px 0;overflow:hidden}.diary-section__bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.diary-section__bg-img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%);opacity:0.25}.diary-section__inner{position:relative;z-index:1;max-width:1000px;margin:0 auto;padding:0 5vw}.diary-section__grid{display:flex;justify-content:center;gap:24px;margin-top:40px;flex-wrap:wrap}.diary-card{display:flex;flex-direction:column;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 16px rgba(61,50,41,0.08);transition:transform 0.35s ease, box-shadow 0.35s ease;width:calc(33.333% - 16px);min-width:200px;text-decoration:none}.diary-card:hover{transform:translateY(-6px);box-shadow:0 8px 32px rgba(61,50,41,0.15);text-decoration:none}.diary-card__img-wrap{aspect-ratio:4 / 3;overflow:hidden}.diary-card__img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}.diary-card:hover .diary-card__img{transform:scale(1.05)}.diary-card__body{padding:16px 18px 20px}.diary-card__title{font-family:'Noto Serif JP', serif;font-size:1.15rem;color:#120f0e;letter-spacing:0.05em;margin:0 0 8px;line-height:1.5}.diary-card__date{font-size:0.95rem;color:#8a7e72;margin:0}@media (max-width: 670px){.diary-section{padding:50px 0}.diary-section__grid{flex-direction:column;align-items:center;gap:16px}.diary-card{width:85%;flex-direction:row;min-width:unset}.diary-card__img-wrap{width:120px;min-width:120px;aspect-ratio:1 / 1}.diary-card__body{padding:12px 14px;display:flex;flex-direction:column;justify-content:center}.diary-card__title{font-size:1.05rem}}.top-class-section{background:#faf8f5;padding:80px 5vw 40px}.top-class-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:24px;max-width:960px;margin:40px auto 0}.top-class-card{position:relative;display:block;border-radius:12px;overflow:hidden;box-shadow:0 2px 16px rgba(61,50,41,0.08);text-decoration:none}.top-class-card:hover{text-decoration:none}.top-class-card__img-wrap{aspect-ratio:16 / 9;overflow:hidden}.top-class-card__img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease, filter 0.6s ease;opacity:0.7;filter:brightness(0.85)}.top-class-card:hover .top-class-card__img{transform:scale(1.08);filter:brightness(1)}.top-class-card__overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(61,50,41,0.25);transition:background 0.4s ease}.top-class-card:hover .top-class-card__overlay{background:rgba(61,50,41,0.45)}.top-class-card__name{font-family:'Noto Serif JP', serif;font-size:1.7rem;font-weight:400;color:#fff;letter-spacing:0.2em;text-shadow:0 2px 8px rgba(0,0,0,0.3)}@media (max-width: 670px){.top-class-section{padding:50px 4vw 30px}.top-class-grid{grid-template-columns:1fr;gap:16px;margin-top:24px}.top-class-card__name{font-size:1.35rem}}.top-experience{background:#faf8f5;padding:20px 5vw 80px;text-align:center}.top-experience__btn{display:inline-flex;align-items:center;gap:10px;padding:16px 40px;font-family:'Noto Serif JP', serif;font-size:1.25rem;letter-spacing:0.1em;color:#8b9e6b;background:transparent;border:2px solid #8b9e6b;border-radius:8px;text-decoration:none;transition:all 0.4s ease;opacity:0;transform:translateY(20px)}.top-experience__btn.is_show{opacity:1;transform:translateY(0)}.top-experience__btn:hover{background:#8b9e6b;color:#fff;text-decoration:none;transform:translateY(-3px);box-shadow:0 6px 20px rgba(139,158,107,0.3)}.top-experience__btn svg{transition:transform 0.3s ease}.top-experience__btn:hover svg{transform:translateX(4px)}@media (max-width: 670px){.top-experience{padding:16px 4vw 60px}.top-experience__btn{font-size:1.1rem;padding:14px 28px}}.trial_btn{margin:30px 100px;width:220px;height:60px;line-height:60px;border:2px solid rgba(0,0,0,0.5)}.trial_btn:hover{width:240px;height:80px;line-height:80px;background-color:rgba(0,0,0,0.1);transition:1s}.trial_btn a{color:black}@media (max-width: 670px){.trial_btn{margin:30px auto;border:1px solid rgba(0,0,0,0.5)}}